/Engine/Source/Runtime/Engine/Classes/GameFramework/SaveGame.h
Initializes this save after either loading or initial creation, automatically called by load/create functions above
virtual void InitializeSaveGame ( const [ULocalPlayer](API\Runtime\Engine\Engine\ULocalPlayer) * LocalPlayer, [FString](API\Runtime\Core\Containers\FString) InSlotName, bool bWasLoaded )